1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -p instsimplify -S %s | FileCheck %s
@glob = external global [314 x i64]
define i1 @known_constexpr_add_eq() {
; CHECK-LABEL: define i1 @known_constexpr_add_eq() {
; CHECK-NEXT: ret i1 false
;
%cond = icmp eq ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80), inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @known_constexpr_add_eq_ops_swapped() {
; CHECK-LABEL: define i1 @known_constexpr_add_eq_ops_swapped() {
; CHECK-NEXT: ret i1 false
;
%cond = icmp eq ptr inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr), getelementptr inbounds nuw (i8, ptr @glob, i64 80)
ret i1 %cond
}
define i1 @known_constexpr_add_ne() {
; CHECK-LABEL: define i1 @known_constexpr_add_ne() {
; CHECK-NEXT: ret i1 true
;
%cond = icmp ne ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80), inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @wrap_positive_to_negate() {
; CHECK-LABEL: define i1 @wrap_positive_to_negate() {
; CHECK-NEXT: ret i1 false
;
%cond = icmp eq ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr getelementptr nuw (i8, ptr @glob, i64 1)to i64), i64 9223372036854775808) to ptr)
ret i1 %cond
}
; 9223372036854775808 = 2^63
define i1 @wrap_positive_to_zero() {
; CHECK-LABEL: define i1 @wrap_positive_to_zero() {
; CHECK-NEXT: ret i1 true
;
%cond = icmp eq ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr getelementptr nuw (i8, ptr @glob, i64 9223372036854775808)to i64), i64 9223372036854775808) to ptr)
ret i1 %cond
}
define i1 @not_known_constexpr_add_sle() {
; CHECK-LABEL: define i1 @not_known_constexpr_add_sle() {
; CHECK-NEXT: [[COND:%.*]] = icmp sle ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
; CHECK-NEXT: ret i1 [[COND]]
;
%cond = icmp sle ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @not_known_constexpr_add_ule() {
; CHECK-LABEL: define i1 @not_known_constexpr_add_ule() {
; CHECK-NEXT: [[COND:%.*]] = icmp ule ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
; CHECK-NEXT: ret i1 [[COND]]
;
%cond = icmp ule ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @not_known_constexpr_add_sge() {
; CHECK-LABEL: define i1 @not_known_constexpr_add_sge() {
; CHECK-NEXT: [[COND:%.*]] = icmp sge ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
; CHECK-NEXT: ret i1 [[COND]]
;
%cond = icmp sge ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @not_known_constexpr_add_uge() {
; CHECK-LABEL: define i1 @not_known_constexpr_add_uge() {
; CHECK-NEXT: [[COND:%.*]] = icmp uge ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
; CHECK-NEXT: ret i1 [[COND]]
;
%cond = icmp uge ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @not_known_integer_width_does_not_match_pointer_index_width() {
; CHECK-LABEL: define i1 @not_known_integer_width_does_not_match_pointer_index_width() {
; CHECK-NEXT: [[COND:%.*]] = icmp eq ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80), inttoptr (i32 add (i32 ptrtoint (ptr @glob to i32), i32 -80) to ptr)
; CHECK-NEXT: ret i1 [[COND]]
;
%cond = icmp eq ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80), inttoptr (i32 add (i32 ptrtoint (ptr @glob to i32), i32 -80) to ptr)
ret i1 %cond
}
define ptr @return_inttoptr() {
; CHECK-LABEL: define ptr @return_inttoptr() {
; CHECK-NEXT: ret ptr inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 8) to ptr)
;
ret ptr inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 8) to ptr)
}
define i1 @known_constexpr_add_nested_1() {
; CHECK-LABEL: define i1 @known_constexpr_add_nested_1() {
; CHECK-NEXT: ret i1 true
;
%cond = icmp eq ptr @glob, inttoptr (i64 add (i64 ptrtoint (ptr getelementptr inbounds nuw (i8, ptr @glob, i64 80) to i64), i64 -80) to ptr)
ret i1 %cond
}
define i1 @known_constexpr_add_nested_2() {
; CHECK-LABEL: define i1 @known_constexpr_add_nested_2() {
; CHECK-NEXT: ret i1 true
;
;%cond = icmp eq ptr @glob, ptr getelementptr inbounds nuw (i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr), i64 80)
%cond = icmp eq ptr @glob, getelementptr inbounds nuw (i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @glob to i64), i64 -80) to ptr), i64 80)
ret i1 %cond
}
|
